批量优惠
参考答案:
当买家大量购买某种钢材时,卖家可能会根据买家的订货量大小给与每吨几十元的优惠。
It is an imaginary line ______ the eastern and western halves of the world and is very useful for navigation. [ ]
A. to divide
B. divided into
C. divides
D. dividing
雷电流产生的()电压和跨步电压可直接使人触电死亡。
A、接触
B、感应
C、直击